Kauai County, HI Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Kauai County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 92. South southwest wind 1 to 7 mph.
County Weather Overview
This county weather page brings together forecast coverage for Kauai County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 14 of 14 mapped cities in Kauai County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 19 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 8:19 AM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Kauai County
Sunday looks like the warmest upcoming period in Kauai County at 92 degrees F.
Sunday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for Monday at about 1 to 8 mph E.
The forecast from Jul 19 through Jul 20 stays mostly dry.
Forecast Details
- Last updated
- Jul 14, 2026 8:19 AM HST
- Coverage
- 3 days
- Time zone
- Pacific/Honolulu
- Forecast office
- HFO
- Radar station
- PHKI
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 73. East northeast wind 1 to 5 mph.
Mostly sunny, with a high near 91. East wind 1 to 8 mph.
Mostly clear, with a low around 73. Northeast wind around 8 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jul 19
|
Mostly Sunny
|
92°F |
1 to 7 mph
SSW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
73°F |
1 to 5 mph
ENE
|
|
Monday
Jul 20
|
Mostly Sunny
|
91°F |
1 to 8 mph
E
|
|
Monday Night
Jul 20
|
Mostly Clear
|
73°F |
8 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Kauai County.
Coverage
Forecast coverage currently spans 14 of 14 mapped cities in Kauai County.
Largest mapped city population in this region: 10,699.
